PREFIX objectrole: <http://www.ontologydesignpatterns.org/cp/owl/objectrole.owl#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>

objectrole:Object a rdfs:Class .

<http://www.ontologydesignpatterns.org/cp/owl/agentrole.owl#Agent> a rdfs:Class ;
  rdfs:label "Agent"@en , "Agente"@it ;
  rdfs:comment "Any agentive Object , either physical, or social." ;
  rdfs:subClassOf objectrole:Object .

objectrole:Role a rdfs:Class .